No power ON

When applying power to the printer, the Green ON button lights briefly, then goes OFF and the Cartridge Yellow button comes ON and stays ON.
There is no movement in the printer, i.e. it does not even do a self test!!
Any idea what may be the cause?
Another problem I noticed ... I could not remove the ink cartridges - the 'black plastic' moulding (don't know its use) in front of the cartridges was in the UP position and blocking the extraction of the cartridges.

Here is what HP suggests:
Issue
The top access door on the printer may be open, or there may be something wrong with the print cartridge.
Solution
1. Check to ensure that the top access door is firmly closed.
2. If the light continues to blink, open the top access door. When the top access door is opened, the print cradle moves so the yellow arrow on top of the cradle points to a drawing of a cartridge. Each drawing describes a symptom.
Here is a link to describe the pictures at the top of your printer:
http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=us&dlc=e&product=304442&rule=36405&docname=bpd09173
It might be that the cover's tab is broken (the tab is what tells the printer that the cover is closed)

1 Suggested Answer

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Related Questions:

Press and hold the green button on your printer and turn the printer on. You will see that the lights flash for a moment and then turn off. After a few seconds, the attention light will turn on followed by ready light and the green light. Keep pressing the green button. In a few seconds, the attention light and the ready light will turn off.

Push the toner rotate button while you continue pressing the green button. As you briefly push the toner button, you will see the light flashing. Release both the toner button and the green button.

Repeatedly push the red button (cancel button). Now all the working lights on the printer will turn off.

Open and close the lid of HP printer once. The light will start blinking.

Error 5100 means that the cartridge can not be detected by the printer. Actually the printer is not actually loading the cartridge and showing you the error 5100.To solve these follow the following steps.

Turn off printer Remove both the cartridges from the printer Use a clothe moistened with alcohol to clean the surface contact on the cartridges where the terminals inside the printers touches Return the cartridges Turn on the printer.

Error will be removed

How to Reset Canon IP2770 Error 5200:1. The printer is turned off and plugged the power cord.2. Press Resume button 2 secondsthen press the POWER button until the green light on (when pressing the POWER button, Resume button ... jgn released first)3. Then release the RESUME button, but do not release the POWER button.4. While the POWER button is still depressed, press the Resume button 5 times. Led will light turns green orange with the last glow orange. (Do not be mistaken 4x because the printer will die completely, but it is temporary too) Then ...5. Release both buttons simultaneously.6. Led will blink briefly and then will glow GREEN.7. And the computer will detect new hardware, just ignore ...8. Press the POWER button, then the printer will die.9. Press the POWER button again then the printer will flash and ... IP2770 Printer is ready for use.

Other Ways Reset Canon iP2770 error 5200:

1. Turn the printer, and printer will look normal.2. Run the printer for printing documents or print test, then the 5200 error will appear.3. Jump unplug the power cord without pressing the on-off4. Open it and slide it into the middle catridgenya manually (press the white penguncinya hook behind the head, for cartridge can be pulled into the middle)5. Unplug all cartridges and leave the lid remains open6. Turn the printer, hit the head will move left and right because the lid was still open and will stop in the middle.7. Replace the cartridge, and close the correct8. Your printer will return to normal. (Source: from all existing sources)

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Make sure that the printer is on. The power light should be on, but not flashing.
Open the printer cover.
Press the maintenance button. The print head moves to the black or color ink cartridge replacement position, the power light begins to flash, and the error light begins to flash or remains on. When both cartridges are out of ink, the print head moves to the black ink cartridge replacement position first. After replacing the black cartridge, press the maintenance button again to switch to the color cartridge replacement position.
Lift up the ink cartridge clamp as far as it will go. The cartridge rises partly out of the cartridge holder. Lift the cartridge out of the printer and dispose of it properly. Do not take the used cartridge apart or try to refill it.
Remove the new ink cartridge from its protective bag. Next, remove only the yellow tape seal from the cartridge. Do not touch the green IC chip on the side of the cartridge.
Place the ink cartridge into the ink cartridge holder, and then close the ink cartridge clamps. Do not apply excessive force to the cartridge.
Close the printer cover.
Press the maintenance button. The printer moves the print head and begins charging the ink delivery system. This process takes about thirty seconds to complete. When the ink charging process is finished, the printer returns the print head to its home position, the power light stops flashing and remains on, and the error light goes out.
If you feel that my answer helped you then please give a vote for my answer.

Look at the back of the printer. Pull down the back cover. Look to the right and the left of the exposed internals of the printer and there should be another handle/knob you can pull down. Pull these both down simultaneously and check to make sure there isn't a piece of paper in there! This was a shock to me! My office printer was held up for days until I found this hidden door in the back! I felt like an idiot that it was from a stupid paper jam!

Based on the lights you are already out of one or more ink cartridge or an ink cartridge is not being recognized/expended.

-You cannot print if any ink cartridge is expended. -Leave the empty cartridge installed in the printer until you have obtained a replacement.

Once you start the ink cartridge replacement procedure, you must complete all the steps in one session.

1. Open the printer cover and press the INK REPLACEMENT button, located under the printer's cover. The print head moves to the center and the lights flash.

2. Lift up the ink cartridge clamp. The cartridge rises up from its holder.

3. Remove the cartridge and dispose of it carefully. If ink gets on your hands, wash them with soap and water. If ink gets in your eyes, flush them immediately with water.

4. Unpack the new ink cartridge and remove the yellow tape. You must remove the yellow tape from the top of the cartridge. Do not remove the clear seal underneath the cartridge. Do not touch the green circuit board on the back of the cartridge, or you may inhibit normal operation and printing.

5. Tilt the new cartridge toward you slightly as you insert it. Lower the cartridge so that the tabs rest on the hooks. Do not place the cartridge tabs under the hooks..6. Press down firmly on the ink cartridge clamp until it snaps in place.

7. If you need to replace the other ink cartridge, repeat steps 2 through 6 before continuing with step 8.

8. Press the INK REPLACEMENT button and close the printer cover. The printer begins charging the ink delivery system.

9. Wait until ink charging is finished (the power light stops flashing and the red error light goes out).

Ok please try1. Turn off printer2. Hold down Resume button and press Power button.3. Keep holding down Power button and let Resume button go.4. Press Resume button 2 times then let BOTH buttons go.5. Green lights will flash and then stop blinking.6. When green lights are solid, press the Resume button 4 times.7. Press the Power button and the printer should turn off, if not, press the Power button once more.8. Your printer should respond as normal.Please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks